# Classic Sudoku Master! — Classic Number Puzzle Game > Classic number puzzle game for iPhone and iPad with multiple difficulty levels. (iPhone/iPad app by Ravindra Joshi.) - Source: https://appshunter.io/ios/app/classic-sudoku-master/id6761011070 (this page in markdown: same URL + `.md`) - Developer: [Ravindra Joshi](https://appshunter.io/developer/1616273225) - Category: Games, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 41 MB - Languages: English - Released: 2026-03-26 - Data updated: 2026-07-03 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/classic-sudoku-master/id6761011070/reviews.md ## What is Classic Sudoku Master!? CLASSIC SUDOKU MASTER - A Classic Number Puzzle Game Challenge your mind with Sudoku Master, a clean and focused Sudoku puzzle game for iPhone and iPad. Whether you're a complete beginner or a seasoned expert, Sudoku Master has the perfect puzzle waiting for you. ---------------------------- WHY SUDOKU MASTER? ---------------------------- Sudoku is a classic number puzzle game that helps sharpen focus, improve memory, and relax the mind. Sudoku Master delivers a clean, distraction-free Sudoku experience on mobile - no clutter, just pure puzzle-solving pleasure. ---------------------------- KEY FEATURES ---------------------------- INFINITE PUZZLES Never run out of challenges! Every puzzle is uniquely generated with a guaranteed single solution. Play a new puzzle every time. 5 DIFFICULTY LEVELS - Easy (40 clues) - Perfect for beginners and casual players - Medium (32 clues) - Requires planning and logic - Hard (26 clues) - Advanced techniques needed - Expert (22 clues) - Designed for experienced puzzle solvers - Evil (17 clues) - Only the fearless survive SMART HINTS Stuck on a cell? Use a hint to reveal one answer without spoiling the whole puzzle. Hints are limited per difficulty to keep it challenging and rewarding. NOTES MODE Toggle pencil marks to write candidate numbers in any cell - just like solving on paper but cleaner and faster. UNLIMITED UNDO AND REDO Made a mistake? Undo any move instantly. No penalty, no stress. Experiment freely and redo moves you want back. TIMER AND PERSONAL STATS Track your solving time, best times per difficulty, total wins, win rate, and current streak. Watch yourself improve with every puzzle you solve. AUTO-SAVE Never lose your progress. Your game is saved automatically - just tap Continue to pick up exactly where you left off. BEAUTIFUL DARK THEME A stunning dark UI with vibrant blue highlights is easy on the eyes day or night. Designed for long, comfortable playing sessions. PLAY OFFLINE No internet required. All puzzles are generated on your device so you can play anywhere - on a plane, subway, or in the mountains. ---------------------------- BENEFITS OF SUDOKU ---------------------------- Playing Sudoku regularly is known to help with: - Logical thinking and problem-solving skills - Memory and concentration - Stress relief and mental relaxation - Keeping your mind active and engaged - A satisfying mental workout anytime ---------------------------- HOW TO PLAY ---------------------------- The rules are simple: 1. Fill every row with the numbers 1 through 9 2. Fill every column with the numbers 1 through 9 3. Fill every 3x3 box with the numbers 1 through 9 4. No number can repeat in any row, column, or box Tap a cell, tap a number, solve the grid. That is it! Use Notes mode for harder puzzles to track possibilities. ---------------------------- DESIGNED FOR iPHONE AND iPAD ---------------------------- Sudoku Master is built natively for iOS with smooth animations, haptic feedback, and a responsive layout that looks stunning on every iPhone and iPad - from the smallest SE to the largest iPad Pro. ---------------------------- DOWNLOAD AND PLAY ---------------------------- No account required. No subscription. Just install and start solving. Download Classic Sudoku Master now and enjoy the puzzle-solving experience! ---------------------------- SUPPORT AND FEEDBACK ---------------------------- We read every review and reply to every support email. Your feedback makes Classic Sudoku Master better for everyone. Email: sky.techno.biz@gmail.com ## Key features - Infinite, uniquely generated puzzles - 5 difficulty levels - Smart hint system - Notes mode for candidate numbers - Unlimited undo/redo - Offline play - Dark theme ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Sudoku Master Premium | $4.99 | one-time | ## Frequently asked questions about Classic Sudoku Master! ### Does Classic Sudoku Master! have ads? Yes, Classic Sudoku Master! contains advertisements. These ads help support the development of the game. ### How difficult are the puzzles in Classic Sudoku Master!? Classic Sudoku Master! offers five distinct difficulty levels: Easy (40 clues), Medium (32 clues), Hard (26 clues), Expert (22 clues), and Evil (17 clues), catering to players of all skill levels. ### Can I play Classic Sudoku Master! without an internet connection? Yes, Classic Sudoku Master! can be played offline. All puzzles are generated on your device, allowing you to play anywhere without an internet connection. ### What devices is Classic Sudoku Master! available on? Classic Sudoku Master! is designed natively for iOS devices, including iPhone, iPad, and iPod. ### How does the hint system work in Classic Sudoku Master!? The smart hint system in Classic Sudoku Master! reveals a single answer for a cell when you are stuck, without giving away the entire puzzle. Hints are limited per difficulty to maintain a challenge. ### Can I track my progress in Classic Sudoku Master!? Yes, Classic Sudoku Master! includes a timer and personal stats to track your solving time, best times per difficulty, total wins, win rate, and current streak, helping you monitor your improvement. ### What is the age rating for Classic Sudoku Master!? Classic Sudoku Master! has an age rating of 4+, making it suitable for a wide range of players. ### How often is Classic Sudoku Master! updated? The latest version of Classic Sudoku Master! is 1.2.2, and it was last updated on April 8, 2026. Updates typically include bug fixes and performance improvements. ## Version history (last 3 releases) ### 1.2.2 — 2026-04-08 • Go Premium — remove ads & unlock unlimited hints (one-time purchase) • New Settings screen with stats, rules and premium management • Bug fixes and improvements ### 1.1 — 2026-03-27 Classic Sudoku puzzles with hints, notes & 5 difficulty levels. Free! ### 1.0 — 2026-03-26 No release notes. ## More apps by Ravindra Joshi - [Merge & Evolve: 2048 Puzzle](https://appshunter.io/ios/app/merge-and-evolve-2048-puzzle/id6761016978) - [Smart Loan EMI Calculator!](https://appshunter.io/ios/app/smart-loan-emi-calculator/id6761052376) All apps by Ravindra Joshi: https://appshunter.io/developer/1616273225 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-03.*